2014-07-09_PERMIT FILE - M2013064

• Permit No: M2013064
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/9/2014
• Doc Name: Fourth review of slope stability analysis
• From: DRMS
• To: Varra Companies, Inc.
• Email Name: PSH
• Email Name: TAK
• Media Type: D
• Archive: No

Material Keys
Topsoil
Sand and Gravel
Clayslone Bedrock
120
Weathered Claystone Bedrock
Poorly Graded Sand and Gravel
10' offset
100
•
2500
•
80
ryy}
�• Critical Area Slope Configuration
and 1.25:1 Mine Slope w/ 10' offset bedrock pit floor
60
40
Analysis 1
20
Single Stability Analysis
Method: Bishop Simplified
Surface: Circular
0
Results
0 20 40 60 80 100 120 140 160 180
Factor of Safety: 1.33
k Version 6.10
Proiect Varra Coulson M2013064
Edited: 8 Jul 2014 Processed.9 Jul 2014
311 and 1.25/1 Mine Slope w/ 10' offset bedrock
File: C:1Userslp...Warra Coulson 3 and 1.25 to 1 Mine Slope w 10' offset bedrock.gmf US Dept of Interior • Office of Surface Mining